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Study identifier: NCT06211062 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

The Use of Directed Probiotics in ME/CFS: Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

Condition: ME/CFS · IBS - Irritable Bowel Syndrome  ·  Sponsor: Nova Southeastern University

PhasePhase 2
Planned participants100
Who can joinAll sexes, 45 Years to 70 Years
Healthy volunteersNo

About this study

This clinical study aims to evaluate the use of i3.1 probiotic in participants who meet the Institute of Medicine (Canadian Consensus Criteria) case definition for ME/CFS and who may or may not be diagnosed with irritable bowel syndrome (IBS). The main questions it aims to answer are: * how effective is the usage of the i3.1 probiotic to reduce gastrointestinal (GI) inflammation and normalize the GI and systemic/brain interface? * how well is it working on IBS severity? The study sample is 100 male and female participants aged 45 to 70 years with ME/CFS (per the Canadian Consensus Criteria); one-half of the participants will have co-morbid IBS (per Rome IV criteria). Participants will receive an i3.1 or a placebo and be assessed at baseline, at eight weeks, and at 12 weeks (four weeks post-treatment completion).

This description comes directly from the study's public registry record.

Talk to the study team

Nancy Klimas, MD  ·  9542622855  ·  nklimas@nova.edu

Devra Cohen, MPH  ·  9542621487  ·  dcohen1@nova.edu

Always discuss trial participation with your own doctor first.

Locations (1)

Institute for Neuroimmune MedicineFort Lauderdale, Florida, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06211062